Release 4.0.0

gradle.properties

@@ -1,18 +1,18 @@
 title=Grails Async Framework
 authors=Graeme Rocher
-projectVersion=4.0.0.BUILD-SNAPSHOT
+projectVersion=4.0.0
 projectDesc=Grails Async Libraries
 projectUrl=https://github.com/grails/grails-async
 githubSlug=grails/grails-async
 githubBranch=master
 developers=Graeme Rocher
-grailsVersion=4.0.0.M1
+grailsVersion=4.0.0
 grailsDocsVersion=4.0.0.M1
 groovyVersion=2.5.6
-gormVersion=7.0.0.RC1
+gormVersion=7.0.2.RELEASE
 servletApiVersion=4.0.1
 spockVersion=1.2-groovy-2.5
-springVersion=5.1.5.RELEASE
+springVersion=5.1.8.RELEASE
 slf4jVersion=1.7.22
 rxJavaVersion=1.3.0
 rxJava2Version=2.1.3